2151952 has 20 divisors (see below), whose sum is σ = 4548816. Its totient is φ = 978080.

The previous prime is 2151943. The next prime is 2151971. The reversal of 2151952 is 2591512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5938 + ... + 6289.

2^2151952 is an apocalyptic number.

2151952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2151952 is an abundant number, since it is smaller than the sum of its proper divisors (2396864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151952 is a wasteful number, since it uses less digits than its factorization.

2151952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246 (or 12240 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 2151952 is about 1466.9533053237. The cubic root of 2151952 is about 129.1053363135.

The spelling of 2151952 in words is "two million, one hundred fifty-one thousand, nine hundred fifty-two".